title: Hematozoa of mallard ducks (Anas platyrhynchos) of the Pacific Flyway, Washington.
abstract: Blood smears from 837 mallard ducks (Anas platyrhynchos), collected during January and February from various locales in Washington during the period 1974-1977, were examined for hematozoa. Of these, 339 (40.5%) harbored blood parasites: Leucocytozoon simondi was the most common, occurring in 24.4% of the birds, followed by Haemoproteus nettionis (23.4%). Microfilariae were found in 14 birds (1.7%).
mesh_terms: D000818:Animals; D000835:Animals, Wild; D016782:Apicomplexa; D001769:Blood / Q000469:parasitology; D004372:Ducks / Q000469:parasitology*; D005260:Female; D005368:Filariasis / Q000453:epidemiology / Q000662:veterinary*; D008297:Male; D008842:Microfilariae; D011528:Protozoan Infections / Q000453:epidemiology; D011529:Protozoan Infections, Animal; D014861:Washington